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Part Number:
CS-6257-DRP

LS3 6.2L 406 408 Compstar Balanced Rotating Assembly, 11.4:1 Diamond LS2K Pistons, Flat Top

LS3 6.2L 406 408 Rotating Assembly, Callies Compstar Crankshaft 3.900 Stroke, Callies Compstar 6.125 H-Beam Rods, -3 Flat Top LS2K Diamond Pistons, HP Steel Piston Rings, HP Bearings Included, Balanced Assembly, 1500 HP Rated

Special Price $3,998.95 Regular Price $4,038.95
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⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.
CNC-Motorsports is pleased to offer Callies Compstar rotating assembly kits. This kit is designed for performance engine builds up to 1500 horsepower with connecting rod upgrade. This kits offer upgraded ARP rod bolts, heavy-duty wrist pins and gas nitrided steel piston rings to support nitrous, blowers, turbos, and supercharger applications.

  • Callies Compstar 4340 forged steel crankshaft, 3.900 Stroke, 8 Counterweight
  • Callies Compstar forged 4340 steel H-Beam rods with 7/16" ARP 2000 rod bolts
  • Diamond LS2K 2618 forged pistons, H13 .225 wall wrist pins, Coated skirts, 1.165 C/H (*Fits 15 degree LS Heads*)
  • Diamond / Total Seal AP steel top ring, Napier second ring, with 3.0mm oil rings for power adders
  • High performance H series main bearings and rod bearings
  • This Rotating assembly kit has been Internally balanced in-house by CNC-Motorsports
  • Compression Ratio with 65cc head 11.4:1
  • Compression Ratio with 70cc head 10.8:1
  • Compression ratio figured at 0 deck with .053" gasket, 4.200 bore gasket
  • More Information
    CNC Part Number CS-6257-DRP
    Price $4,038.95
    Manufacturer's Part Number CS-6257-DRP
    Brands Callies, Compstar, Diamond
    Part Types Engine Rotating Assembly Kit
    Departments Parts
    Vehicle Make Chevy LS
    Balanced Assembly Yes
    Balance Type Internal
    Crankshaft Material 4340 Forged Steel
    Crankshaft Stroke 3.900
    Piston Brand Diamond
    Piston Type Flat Top
    Rod Length 6.125
    Piston Material 2618 Forged
    Custom Notices ⚠ PROP 65 WARNING

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